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Types of computers In 60s and 70s, most used mainframes In 70s and 80s most moved to PCs
Xerox Alto
1974
Altair 8800
1975
Second component to the Computer System --Software
Almost all software is “task oriented software”
What are some examples?
Users use computers to process data Def: Data– Distinct pieces of information, usually
formatted in a special way
What do we mean by format? How do we manage and store data?
Binary Data DEF: Binary is a number system where there
are only two unique digits: 0 and 1 Why we use binary?